20552660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60449}}^1$

素因数の和:60475

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 25147540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60449, 120898, 241796, 302245, 604490, 1027633, 1208980, 2055266, 4110532, 5138165, 10276330, 20552660]

約数ペア:

[(1, 20552660), (2, 10276330), (4, 5138165), (5, 4110532), (10, 2055266), (17, 1208980), (20, 1027633), (34, 604490), (68, 302245), (85, 241796), (170, 120898), (340, 60449)]